doug hill has the first check of the forecast. >> a freeze watch posted tomorrow night. 61 degrees and clear skies. spectacular day, temperatures at national park, at 60 degrees. temperatures continue to hold below average for this time of october. 59 degrees in gaithersburg, 61 degrees in manassas, 61 degrees such reagan national airport. temperatures will drop into the upper 50's shortly. later this evening, lower 50's. chilly temperatures in the morning, 37-47 degrees. more details on this shale. the coldest air of the season tomorrow night. >> fire severely damaged a church. the clear case of arson, flames and smoke raced through the atomic baptist church yesterday morning. -- potomac baptist church yesterday morning. >> whether this was a random act or someone deliberately targeted this church, we do know is there is some real severe damage. you can see some of it on the outside, but the bulk of its is smoke damage on the interior. inside the church, a cleanup crew scrubs soot from walls. >> we have enough problems everywhere in this world. >> under the cover of darkness sneaked u